The present invention is directed to an extrudable resin composition and a method of extruding the extrudable resin composition, comprising a high temperature engineering thermoplastic, one or more reinforcement components, an enhancing filler component, a polymeric lubricant, and an external lubric
The present invention is directed to an extrudable resin composition and a method of extruding the extrudable resin composition, comprising a high temperature engineering thermoplastic, one or more reinforcement components, an enhancing filler component, a polymeric lubricant, and an external lubricant, wherein the extrudable resin composition is capable of withstanding temperatures up to about 427° C. The invention is further directed to the use of the extruded pipes and/or lined pipes, produced according to the present method, in downhole tubular applications in oil and gas production; in line pipe, flow line, and transportation line applications in oil and gas production and supply operations; or in most any application where corrosive protection is required to transmit or store corrosive fluids, particularly at high temperatures.
대표청구항▼
1. An extrudable resin composition, consisting of: a high temperature engineering thermoplastic compounded with an external lubricant, a polymeric lubricant, and one or more of a reinforcement component and an enhancing filler component, wherein the extrudable resin composition is thermally stable a
1. An extrudable resin composition, consisting of: a high temperature engineering thermoplastic compounded with an external lubricant, a polymeric lubricant, and one or more of a reinforcement component and an enhancing filler component, wherein the extrudable resin composition is thermally stable at temperatures of up to about 427° C.; wherein the high temperature engineering thermoplastic is one or more selected from the group consisting of polyarylketones, chemical resistant polysulfones (PSU), polyphenyl sulfones (PPSu), polyether sulfones (PES), polyolefins, and polyarylene sulfides; the external lubricant is one or more selected from the group consisting of fatty acids and their corresponding amides, esters, and salts; and organic phosphate esters; and the polymeric lubricant consists of a fluoropolymer. 2. The composition of claim 1, wherein the high temperature engineering thermoplastic is present in the extrudable resin composition at a level between about 50 to 99.9 wt. %. 3. The composition of claim 1, wherein the reinforcement component is present in the extrudable resin composition at a level between about 0.1 to 40 wt. %. 4. The composition of claim 1, wherein the enhancing filler component is present in the extrudable resin composition at a level between about 0.01 to 10 wt. %. 5. The composition of claim 1, wherein the polymeric lubricant is present in the extrudable resin composition at a level between about 0.001 to 5 wt. %. 6. The composition of claim 1, wherein the external lubricant is present in the extrudable resin composition at a level between about 0.001 to 2 wt. %. 7. The composition of claim 1, wherein the high temperature engineering thermoplastic is one or more polyarylketones selected from the group consisting of: polyether ether ketones (PEEK), polyether ketones (PEK), and polyether ketone ketones (PEKK). 8. The composition of claim 1, wherein the polyarylene sulfide consists of polyphenylene sulfide (PPS). 9. The composition of claim 7, wherein the polyarylketone consists of polyether ether ketones (PEEK). 10. The composition of claim 7, wherein the polyarylketone consists of polyether ketones (PEK). 11. The composition of claim 7, wherein the polyarylketone consists of polyether ketone ketones (PEKK). 12. The composition of claim 7, wherein the polyarylketone has a melt index (MI) up to about 200 g/10 min. measured at 204° C. and 8.4 Kg. 13. The composition of claim 8, wherein the polyphenylene sulfide has an MI up to about 200 g/10 min. measured at 320° C. and 3.7 Kg. 14. The composition of claim 7, wherein the polyarylketone, has a 6 minute to 30 minute (6/30) MI ratio of between about 0.1 to 1. 15. The composition of claim 14, wherein the 6/30 MI ratio is about 1. 16. The composition of claim 8, wherein the polyphenylene sulfide has a 6 minute to 15 minute (6/15) MI ratio of between about 0.1 to 1. 17. The composition of claim 16, wherein the 6/15 ratio is about 1. 18. The composition of claim 3, wherein the reinforcement component is one or more selected from inorganic fibers, glass fibers, carbon fibers, graphite, ceramic fibers, and polymeric fibers. 19. The composition of claim 18, wherein the inorganic fiber is glass fiber. 20. The composition of claim 4, wherein the enhancing filler component is one or more selected from titanium dioxide, barium sulfate, silica, alumina, talc, mica, kaolin, clay, silica-alumina, calcium carbonate, calcium silicate, calcium phosphate, calcium sulfate, magnesium carbonate, magnesium oxide, zinc oxide, magnesium phosphate, silicon nitride, glass, hydrotalcite, and zirconium oxide. 21. The composition of claim 20, wherein the enhancing filler component is a mineral oxide present between about 15 to 25 wt. %. 22. The composition of claim 5, wherein the fluoropolymer is a polymer consisting of one or more monomers selected from the group consisting of tetrafluoroethylene, trifluoroethylene, vinylidene fluoride, chlorotrifluoroethylene, and fluorinated alkyl esters of (meth) acrylic acid. 23. The composition of claim 6, wherein the external lubricant is present in the extrudable resin composition at a level between about 0.01 to 1.9 wt. %. 24. The composition of claim 1, wherein the fatty acids include one or more selected from the group consisting of myristic acid, palmitic acid, stearic acid, arachic acid, montanic acid, octadecenoic acid, and parinaric acid. 25. The composition of claim 1, wherein the fatty acid esters are selected from fatty acids esterified with one or more hydroxyl containing compounds selected from the group consisting of glycerol, ethylene glycol, propylene glycol, pentaerythritol and C1 to C24 alkylols. 26. The composition of claim 1, wherein the fatty acid amides are selected from fatty acids that have undergone an amidation reaction with one or more amine containing compounds selected from the group consisting of C1 to C24 primary amines, C1 to C24 secondary amines, methylene bisamines, ethylene bisamines and alkanolamines. 27. The composition of claim 1, wherein the fatty acid amides are one or more selected from palmitic acid amides, stearic acid amides, oleic acid amides, and N,N′-ethylenebisstearamide. 28. The composition of claim 1, wherein the fatty acid salts include one or more fatty acid salts of an ion selected from the group consisting of calcium, magnesium, zinc, and cadmium. 29. The composition of claim 1, wherein the high temperature engineering thermoplastic has a heat deflection temperature of at least 121° C. 30. An extrudable resin composition, consisting of: 50 to 99.9 wt. % of a high temperature engineering thermoplastic consisting of one or more polyphenylene sulfides;0.1 to 40 wt. % of a reinforcement component consisting of glass fiber;0.01 to 10 wt. % of an enhancing filler component consisting of titanium dioxide;0.001 to 5 wt. % of a polymeric lubricant consisting of polytetrafluoroethylene; and0.001 to 2 wt. % of an external lubricant selected from the group consisting of calcium stearate, zinc stearate, palmitic acid amides, stearic acid amides, oleic acid amides, and N,N′-ethylenebisstearamide, wherein the extrudable resin composition maintains its form and function at temperatures up to about 232° C., and further wherein the high temperature engineering thermoplastic has a heat deflection temperature higher than about 121° C. 31. An extrudable resin composition, consisting of: 50 to 99.9 wt. % of a high temperature engineering thermoplastic consisting of one or more polyphenylene sulfides;15 to 25 wt. % of an enhancing filler component consisting of mineral oxide;0 to 5 wt. % of a polymeric lubricant consisting of polytetrafluoroethylene; and0.001 to 2 wt. % of an external lubricant selected from the group consisting of calcium stearate, zinc stearate, palmitic acid amides, stearic acid amides, oleic acid amides, and N,N′-ethylenebisstearamide, wherein the extrudable resin composition maintains its form and function at temperatures up to about 232° C., and further wherein the high temperature engineering thermoplastic has a heat deflection temperature higher than about 121° C.
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이 특허에 인용된 특허 (16)
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